Term Name:	L-vinylglycine zwitterion
Synonyms:	(2S)-2-amino-3-butenoate, (2S)-2-amino-3-butenoic acid zwitterion, (2S)-2-azaniumylbut-3-enoate
Definition:	An L-alpha-amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-vinylglycine; major species at pH 7.3.
Ontology:	ChEBI [CHEBI:134467]  ( EBI )